1031023123032 has 128 divisors (see below), whose sum is σ = 2997214617600. Its totient is φ = 289469980800.

The previous prime is 1031023123021. The next prime is 1031023123037. The reversal of 1031023123032 is 2303213201301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031023123037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2616307 + ... + 2984477.

It is an arithmetic number, because the mean of its divisors is an integer number (23415739200).

Almost surely, 2^{1031023123032} is an apocalyptic number.

1031023123032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031023123032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498607308800).

1031023123032 is an abundant number, since it is smaller than the sum of its proper divisors (1966191494568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031023123032 is a wasteful number, since it uses less digits than its factorization.

1031023123032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368477 (or 368473 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1031023123032 its reverse (2303213201301), we get a palindrome (3334236324333).

The spelling of 1031023123032 in words is "one trillion, thirty-one billion, twenty-three million, one hundred twenty-three thousand, thirty-two".